Home / 3,210,682.35-4,430,880.01-1,921,274.54

Finding the Fourth Proportional to 3,210,682.35, 4,430,880.01 and 1,921,274.54

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Solution

The fourth proportional to 3,210,682.35, 4,430,880.01 and 1,921,274.54 is: 2,651,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,682.35 : 4,430,880.01 = 1,921,274.54 : x
  2. Step 2: Convert to fraction form
    3,210,682.35/4,430,880.01 = 1,921,274.54/x
  3. Step 3: Cross multiply
    3,210,682.35x = 4,430,880.01 × 1,921,274.54
  4. Step 4: Simplify right side
    3,210,682.35x = 8,512,936,921,247.17
  5. Step 5: Solve for x
    x = 8,512,936,921,247.17/3,210,682.35
  6. Step 6: Final answer
    x = 2,651,441.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.